Inspecting And Cleaning Optional Spark Arrestor Muffler; Checking Generator Brushes - Miller Electric Big Blue 500 PT Owner's Manual

9-4. Inspecting And Cleaning Optional Spark Arrestor Muffler

2
1
Tools Needed:
3/8 in

9-5. Checking Generator Brushes

OM-4429 Page 44
Minimum Length:
5/8 in (16 mm)
New Length: 1-1/4 in (32 mm)
Replace
Damaged Brushes
!
Stop engine and let cool.
1 Spark Arrestor Muffler
2 Cleanout Plug
Remove plug and remove any dirt
covering cleanout hole.
Start engine and run at idle speed to
blow out cleanout hole. If nothing
blows out of hole, briefly cover end
of exhaust pipe with fireproof
material.
!
Stop engine and let cool.
Reinstall cleanout plug.
!
Stop engine and let cool.
1 Generator Brush
Remove brushes from brush holder.
Replace brushes if damaged or if brush
material is at or near minimum length.
1
803 656 / Ref. 215 158
Ref. 215 664